Source: Wikipedia http://en.wikipedia.org/wiki/Camille_Flammarion available under the CC-BY-SA License.
Nicolas Camille Flammarion (26 February 1842—3 June 1925) was a French astronomer and author. He was a prolific author of more than fifty titles, including popular science works about astronomy, several notable early science fiction novels, and several works about Spiritism and related topics. He also published the magazine L'Astronomie, starting in 1882. He maintained a private observatory at Juvisy-sur-Orge, France.
Credited for the cover art of Odds Magazine #8.